| Merrillville to Marasesti | 5,182.45 mi (8,340.35 km) |
| Merrillville to Marghita | 4,944.08 mi (7,956.73 km) |
| Merrillville to Marginea | 5,041.58 mi (8,113.64 km) |
| Merrillville to Matca | 5,194.20 mi (8,359.26 km) |
| Merrillville to Medgidia | 5,298.10 mi (8,526.46 km) |
| Merrillville to Media | 5,070.47 mi (8,160.13 km) |
| Merrillville to Miercurea-Ciuc | 5,110.52 mi (8,224.58 km) |
| Merrillville to Mioveni | 5,148.07 mi (8,285.02 km) |
| Merrillville to Mizil | 5,198.36 mi (8,365.95 km) |
| Merrillville to Moinesti | 5,130.16 mi (8,256.19 km) |
| Merrillville to Moisei | 5,005.59 mi (8,055.72 km) |
| Merrillville to Moldova Noua | 5,042.09 mi (8,114.47 km) |
| Merrillville to Moreni | 5,171.62 mi (8,322.91 km) |
| Merrillville to Motru | 5,085.33 mi (8,184.04 km) |
| Merrillville to Murfatlar | 5,306.96 mi (8,540.73 km) |
